You can still cast your Giant Growths before damage, but the attacker will know about that before assigning damage now, not after

Aang and La, Ocean's Fury Aberrant Aberrant Manawurm Abomination, Irradiated Brute Abomination, Terrifying Titan Abomination, World Ravager Abyssal Persecutor Aetherstream Leopard Aetherwind Basker Agatha of the Vile Cauldron Agatha's Champion Agent Frank Horrigan Aggressive Mammoth Agonasaur Rex Ajani's Comrade Akawalli, the Seething Tower Akoum Stonewaker Akoum Warrior Akroma, Angel of Fury Akroma, Angel of Wrath Akroma, Vision of Ixidor Aku Djinn Akul the Unrepentant Alexios, Deimos of Kosmos Almighty Brushwagg Aloe Alchemist Alpha Deathclaw Altanak, the Thrice-Called Altar Golem Amarant Coral Ambush Krotiq Anax and Cymede Ancient Imperiosaur Ancient Stone Idol Ancient of the Equinox Anep, Vizier of Hazoret Angry Mob Angry Rabble Annoyed Altisaur Arahbo, Roar of the World Arbalest Engineers Arborback Stomper Arcbound Crusher Archdemon of Greed Archdemon of Unx Archetype of Aggression Archon of Valor's Reach Archweaver Arctic Nishoba Argothian Swine Argothian Wurm Armada Wurm Armory Paladin Arrogant Wurm Ashroot Animist Assaultron Dominator Atalan Jackal Atarka, World Render Atsushi, the Blazing Sky Attuned Hunter Augmenter Pugilist Aurelia, Exemplar of Justice Aurochs Aurochs Herd Aurora Awakener Autochthon Wurm Avatar Kyoshi Avatar of Growth Avatar of Might Avatar of the Resolute Avenging Hunter Axelrod Gunnarson

60 damage for every Pokemon in your opponent's field with an ability might not sound amazing on paper (or digital screen), but when you think just how many decks these days are stacked with cards that are there first and foremost for their abilities, we dare say there are plenty of instances in which Zeraora can clean house for up to 360 damage
A booster pack from the earlier expansions of the Pokmon TCG used to have eleven cards, but after a while, the number of cards were reduced to nine